Physocarpus opulifolius (Ninebark)

Very durable large shrub. Exfoliating bark exposes cinnamon brown inner bark for winter interest.

Associates: Angelica atropurpurea (Great Angelica), Cornus obliqua (Blue-Fruited / Silky Dogwood), Osmunda regalis (Royal Fern), Prunus virginiana (Chokecherry), Ptelea trifoliata (Wafer Ash), Rhus glabra (Smooth Sumac), Rosa palustris (Swamp Rose), Rudbeckia laciniata (Wild Golden Glow)